<template>
	<view class="cart-container" v-if="cart.length !== 0">
		<!-- 收货地址区域 -->
		<my-address></my-address>
	
		<!-- 购物车商品列表的标题区域 -->
		<view class="cart-title">
		  <!-- 左侧的图标 -->
		  <uni-icons type="shop" size="18"></uni-icons>
		  <!-- 描述文本 -->
		  <text class="cart-title-text">购物车</text>
		</view>
		<!-- 商品列表区域，循环渲染my-goods组件 -->
		 <!-- 利用组件实现滑动商品删除的效果 -->
		<uni-swipe-action>
			<view v-for="(goods,i) in cart" :key="i">
			<uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(goods)">
				<my-goods :goods="goods" :showRadio="true" @radio-change="radioChangeHandler" :showNum="true" @num-change="countChange"></my-goods>
			</uni-swipe-action-item>
			</view>
		</uni-swipe-action>
		<!-- 结算区域 -->
		<my-settle></my-settle>
	</view>
	<!-- 购物车为空页面 -->
	<view class="empty-cart" v-else>
		<uni-icons type="cart" size="120" color="#c00000"></uni-icons>
		<text class="empty-text">空空如也~</text>
	</view>
</template>

<script>
	import badgeMix from '../../mixins/tabBar-badge.js'
	import { mapState,mapMutations} from 'vuex'
	export default {
		mixins:[badgeMix],
		computed:{
			...mapState('m_cart',['cart']),
			
		},
		data() {
			return {
				 options: [{
				      text: '删除', // 显示的文本内容
				      style: {
				        backgroundColor: '#C00000' // 按钮的背景颜色
				      }
				    }]
			};
		},
		methods:{
			...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
		
			radioChangeHandler(e){
				// console.log(e)
				this.updateGoodsState(e)
			},
			countChange(e){
				this.updateGoodsCount(e)
			},
			// 点击了滑动操作按钮
			swipeActionClickHandler(goods) {
			  // console.log(goods)
			  this.removeGoodsById(goods)
			}
		}
	}
</script>

<style lang="scss">
.cart-container{
	padding-bottom: 50px;
}
.cart-title {
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text {
    margin-left: 10px;
  }
}
.empty-cart{
	display: flex;
	flex-direction: column;
	align-items: center;
	padding-top: 200px;
}
.empty-text{
	margin-top: 20px;
	color: gray;
}
</style>
